1 /* $NetBSD: cgsix_obio.c,v 1.9 2002/03/11 16:27:01 pk Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Kranenburg. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * color display (cgsix) driver; sun4 obio bus front-end. 41 */ 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/buf.h> 46 #include <sys/device.h> 47 #include <sys/ioctl.h> 48 #include <sys/malloc.h> 49 #include <sys/mman.h> 50 #include <sys/tty.h> 51 #include <sys/conf.h> 52 53 #ifdef DEBUG 54 #include <sys/proc.h> 55 #include <sys/syslog.h> 56 #endif 57 58 #include <machine/bus.h> 59 #include <machine/autoconf.h> 60 #include <machine/eeprom.h> 61 #include <machine/conf.h> 62 63 #include <dev/sun/fbio.h> 64 #include <dev/sun/fbvar.h> 65 #include <dev/sun/btreg.h> 66 #include <dev/sun/btvar.h> 67 #include <dev/sun/cgsixreg.h> 68 #include <dev/sun/cgsixvar.h> 69 #include <dev/sun/pfourreg.h> 70 71 /* autoconfiguration driver */ 72 static int cgsixmatch __P((struct device *, struct cfdata *, void *)); 73 static void cgsixattach __P((struct device *, struct device *, void *)); 74 static int cg6_pfour_probe __P((void *, void *)); 75 76 struct cfattach cgsix_obio_ca = { 77 sizeof(struct cgsix_softc), cgsixmatch, cgsixattach 78 }; 79 80 /* 81 * Match a cgsix. 82 */ 83 static int 84 cgsixmatch(parent, cf, aux) 85 struct device *parent; 86 struct cfdata *cf; 87 void *aux; 88 { 89 union obio_attach_args *uoba = aux; 90 struct obio4_attach_args *oba; 91 92 if (uoba->uoba_isobio4 == 0) 93 return (0); 94 95 oba = &uoba->uoba_oba4; 96 return (bus_space_probe(oba->oba_bustag, 97 oba->oba_paddr + CGSIX_FHC_OFFSET, 98 4, /* probe size */ 99 0, /* offset */ 100 0, /* flags */ 101 cg6_pfour_probe, NULL)); 102 } 103 104 static int 105 cg6_pfour_probe(vaddr, arg) 106 void *vaddr; 107 void *arg; 108 { 109 110 return (fb_pfour_id(vaddr) == PFOUR_ID_FASTCOLOR); 111 } 112 113 114 /* 115 * Attach a display. 116 */ 117 static void 118 cgsixattach(parent, self, aux) 119 struct device *parent, *self; 120 void *aux; 121 { 122 struct cgsix_softc *sc = (struct cgsix_softc *)self; 123 union obio_attach_args *uoba = aux; 124 struct obio4_attach_args *oba; 125 struct eeprom *eep = (struct eeprom *)eeprom_va; 126 struct fbdevice *fb = &sc->sc_fb; 127 bus_space_handle_t bh; 128 int constype, isconsole; 129 char *name; 130 131 oba = &uoba->uoba_oba4; 132 133 /* Remember cookies for cgsix_mmap() */ 134 sc->sc_bustag = oba->oba_bustag; 135 sc->sc_paddr = (bus_addr_t)oba->oba_paddr; 136 137 fb->fb_device = &sc->sc_dev; 138 fb->fb_type.fb_type = FBTYPE_SUNFAST_COLOR; 139 fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags & FB_USERMASK; 140 fb->fb_type.fb_depth = 8; 141 142 fb_setsize_eeprom(fb, fb->fb_type.fb_depth, 1152, 900); 143 144 /* 145 * Dunno what the PROM has mapped, though obviously it must have 146 * the video RAM mapped. Just map what we care about for ourselves 147 * (the FHC, THC, and Brooktree registers). 148 */ 149 if (bus_space_map(oba->oba_bustag, 150 oba->oba_paddr + CGSIX_BT_OFFSET, 151 sizeof(*sc->sc_bt), 152 BUS_SPACE_MAP_LINEAR, 153 &bh) != 0) { 154 printf("%s: cannot map brooktree registers\n", self->dv_xname); 155 return; 156 } 157 sc->sc_bt = (struct bt_regs *)bh; 158 159 if (bus_space_map(oba->oba_bustag, 160 oba->oba_paddr + CGSIX_FHC_OFFSET, 161 sizeof(*sc->sc_fhc), 162 BUS_SPACE_MAP_LINEAR, 163 &bh) != 0) { 164 printf("%s: cannot map FHC registers\n", self->dv_xname); 165 return; 166 } 167 sc->sc_fhc = (int *)bh; 168 169 if (bus_space_map(oba->oba_bustag, 170 oba->oba_paddr + CGSIX_THC_OFFSET, 171 sizeof(*sc->sc_thc), 172 BUS_SPACE_MAP_LINEAR, 173 &bh) != 0) { 174 printf("%s: cannot map THC registers\n", self->dv_xname); 175 return; 176 } 177 sc->sc_thc = (struct cg6_thc *)bh; 178 179 if (bus_space_map(oba->oba_bustag, 180 oba->oba_paddr + CGSIX_TEC_OFFSET, 181 sizeof(*sc->sc_tec), 182 BUS_SPACE_MAP_LINEAR, 183 &bh) != 0) { 184 printf("%s: cannot map TEC registers\n", self->dv_xname); 185 return; 186 } 187 sc->sc_tec = (struct cg6_tec_xxx *)bh; 188 189 if (bus_space_map(oba->oba_bustag, 190 oba->oba_paddr + CGSIX_FBC_OFFSET, 191 sizeof(*sc->sc_fbc), 192 BUS_SPACE_MAP_LINEAR, 193 &bh) != 0) { 194 printf("%s: cannot map FBC registers\n", self->dv_xname); 195 return; 196 } 197 sc->sc_fbc = (struct cg6_fbc *)bh; 198 199 200 if (fb_pfour_id((void *)sc->sc_fhc) == PFOUR_ID_FASTCOLOR) { 201 fb->fb_flags |= FB_PFOUR; 202 name = "cgsix/p4"; 203 } else 204 name = "cgsix"; 205 206 constype = (fb->fb_flags & FB_PFOUR) ? EE_CONS_P4OPT : EE_CONS_COLOR; 207 208 /* 209 * Assume this is the console if there's no eeprom info 210 * to be found. 211 */ 212 if (eep == NULL || eep->eeConsole == constype) 213 isconsole = fb_is_console(0); 214 else 215 isconsole = 0; 216 217 if (isconsole && cgsix_use_rasterconsole) { 218 int ramsize = fb->fb_type.fb_height * fb->fb_linebytes; 219 if (bus_space_map(oba->oba_bustag, 220 oba->oba_paddr + CGSIX_RAM_OFFSET, 221 ramsize, 222 BUS_SPACE_MAP_LINEAR, 223 &bh) != 0) { 224 printf("%s: cannot map pixels\n", self->dv_xname); 225 return; 226 } 227 sc->sc_fb.fb_pixels = (caddr_t)bh; 228 } 229 230 cg6attach(sc, name, isconsole); 231 } 232